Alert archive / North Carolina / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Raleigh, NC

May 2, 20164 counties in North Carolina

NWS Raleigh, NC issued this flash flood warning at May 2, 2016, 6:09 PM EDT for 4 counties in North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 2, 2016, 6:09 PM EDT (22:09 UTC)
Expired
May 2, 2016, 8:45 PM EDT
In force
3 hr
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Flood severity
None

Counties Anson County, NC, Montgomery County, NC, Moore County, NC, Richmond County, NC

The radar

The Raleigh/Durham radar (KRAX), 134 km from the middle of the area, began a volume at 22:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.2 hours before the alert went out and 124 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2016-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 670 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2016-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
670 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
787 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

359 
WGUS52 KRAH 022209
FFWRAH
NCC007-123-125-153-030045-
/O.NEW.KRAH.FF.W.0001.160502T2209Z-160503T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
609 PM EDT MON MAY 2 2016

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN MONTGOMERY COUNTY IN CENTRAL NORTH CAROLINA...
  SOUTHWESTERN MOORE COUNTY IN CENTRAL NORTH CAROLINA...
  SOUTHEASTERN ANSON COUNTY IN CENTRAL NORTH CAROLINA...
  RICHMOND COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 845 PM EDT
  
* AT 608 PM EDT...DOPPLER RADAR INDICATED A LARGE AREA OF SLOW
  MOVING THUNDERSTORMS THAT WILL PRODUCE FLOODING ACROSS THE WARNED
  AREA. MORE THAN TWO INCHES OF RAIN HAS ALREADY FALLEN IN THE AREA
  AND ADDITIONAL HEAVY RAIN IS EXPECTED. FLASH FLOODING IS EXPECTED
  TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ROCKINGHAM...HAMLET...HOFFMAN...PINEBLUFF...MOUNT GILEAD...ELLERBE...
  FOXFIRE...DOBBINS HEIGHTS...LILESVILLE AND MORVEN.

THIS INCLUDES THE FOLLOWING FLOOD PRONE AREAS...GRASSY ISLAND ROAD
NEAR THE PEE DEE RIVER AND HIGHWAY 177 WEST TO NC SPEEDWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXTREMELY DANGEROUS. NUMEROUS ROADS AND LOW LYING
AREAS WILL QUICKLY FLOOD. FLOOD WATERS WILL ALSO THREATEN SOME HOMES
AND BUSINESSES. IF YOU ARE EXPERIENCING FLOODING OR LIVE IN A FLOOD
PRONE AREA...MOVE TO HIGHER GROUND.

&&

LAT...LON 3527 8002 3527 7953 3504 7947 3501 7957
      3486 7962 3485 7963 3485 7962 3483 7963
      3482 7963 3482 7964 3481 8000

$$

BLAES
2 follow-up statements
068 
WGUS72 KRAH 022341
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
741 PM EDT MON MAY 2 2016

NCC125-022348-
/O.CAN.KRAH.FF.W.0001.000000T0000Z-160503T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOORE NC-
741 PM EDT MON MAY 2 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN MOORE COUNTY IS
CANCELLED...

FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3482 7996 3500 7994 3527 7996 3526 7970
      3525 7969 3517 7968 3505 7984 3501 7978
      3501 7957 3485 7963 3485 7962 3482 7963

$$

NCC007-123-153-030045-
/O.CON.KRAH.FF.W.0001.000000T0000Z-160503T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY NC-ANSON NC-RICHMOND NC-
741 PM EDT MON MAY 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
SOUTHEASTERN MONTGOMERY...SOUTHEASTERN ANSON AND RICHMOND COUNTIES...

AT 738 PM EDT...DOPPLER RADAR INDICATED THAT THE SLOW MOVING
THUNDERSTORMS HAVE MOVED OUT OF THE AREA. UP TO THREE INCHES OF RAIN
HAS ALREADY FALLEN IN PARTS OF THE AREA AND AREA LAW ENFORCEMENT
REPORTED THAT SEVERAL ROADS WERE COVERED WITH WATER. WHILE RIVERS
AND CREEKS WILL RECEDE DURING THE NEXT HOUR OR TWO...THEY WILL
CONTINUE TO RUN HIGH AND FAST WITH LOCALIZED FLOODING STILL
POSSIBLE. THE WARNING INCLUDES THE FOLLOWING FLOOD PRONE
AREAS...GRASSY ISLAND ROAD NEAR THE PEE DEE RIVER AND HIGHWAY 177
WEST TO NC SPEEDWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

KEEP CHILDREN AWAY FROM STORM DRAINS...CULVERTS...CREEKS AND STREAMS.
WATER LEVELS CAN RISE RAPIDLY AND SWEEP CHILDREN AWAY.

&&

LAT...LON 3482 7996 3500 7994 3527 7996 3526 7970
      3525 7969 3517 7968 3505 7984 3501 7978
      3501 7957 3485 7963 3485 7962 3482 7963

$$
659 
WGUS72 KRAH 030038
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
838 PM EDT MON MAY 2 2016

NCC007-123-153-030048-
/O.EXP.KRAH.FF.W.0001.000000T0000Z-160503T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY NC-ANSON NC-RICHMOND NC-
838 PM EDT MON MAY 2 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN MONTGOMERY...SOUTHEASTERN
ANSON AND RICHMOND COUNTIES WILL EXPIRE AT 845 PM EDT...

THE HEAVY RAIN HAS ENDED AND THE HIGH WATER HAS RECEDED. FLOODING IS
NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.

LAT...LON 3482 7996 3500 7994 3527 7996 3526 7970
      3525 7969 3517 7968 3505 7984 3501 7978
      3501 7957 3485 7963 3485 7962 3482 7963

$$

BLAES

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 2:13 AM EDTSpecial Weather StatementRAHAlamance62 min
May 2, 1:45 PM EDTSpecial Weather StatementRAHScotland30 min
May 2, 2:32 PM EDTSpecial Weather StatementRAHRichmond28 min
May 2, 2:43 PM EDTSpecial Weather StatementRAHMontgomery17 min
May 2, 2:45 PM EDTSpecial Weather StatementRAHStanly45 min
May 2, 3:09 PM EDTSpecial Weather StatementRAHCumberland, Harnett, Hoke, Lee, Moore, Scotland21 min
May 2, 3:28 PM EDTSpecial Weather StatementRAHCumberland, Harnett, Hoke, Lee, Moore32 min
May 2, 3:32 PM EDTSpecial Weather StatementRAHDavidson28 min
May 2, 4:00 PM EDTSpecial Weather StatementRAHHarnett, Wake45 min
May 2, 4:03 PM EDTSevere Thunderstorm WarningRAHWake42 min
May 2, 4:04 PM EDTSevere Thunderstorm WarningRAHDavidson, Randolph26 min
May 2, 4:23 PM EDTSevere Thunderstorm WarningRAHChatham37 min
May 2, 4:28 PM EDTSevere Thunderstorm WarningRAHAlamance, Davidson, Forsyth, Guilford, Randolph47 min
May 2, 4:33 PM EDTSpecial Weather StatementRAHAnson, Montgomery, Moore, Richmond, Stanly57 min
May 2, 4:45 PM EDTSevere Thunderstorm WarningRAHFranklin, Granville, Wake45 min
May 2, 4:52 PM EDTSpecial Weather StatementRAHAlamance, Durham, Orange53 min
May 2, 5:00 PM EDTSpecial Weather StatementRAHBladen60 min
May 2, 5:00 PM EDTSevere Thunderstorm WarningRAHAnson45 min
May 2, 5:10 PM EDTSevere Thunderstorm WarningRAHAlamance, Guilford35 min
May 2, 5:12 PM EDTAreal Flood AdvisoryRAHAlamance, Guilford2 hr
May 2, 5:16 PM EDTSevere Thunderstorm WarningRAHFranklin, Vance, Warren44 min
May 2, 5:42 PM EDTAreal Flood AdvisoryRAHAnson, Montgomery, Richmond, Stanly2 hr
May 2, 5:42 PM EDTSpecial Weather StatementRAHAnson, Hoke, Montgomery, Moore, Richmond, Scotland and 1 more63 min
May 2, 5:45 PM EDTSpecial Weather StatementRAHVance45 min
May 2, 5:50 PM EDTSpecial Weather StatementRAHWarren55 min
May 2, 5:58 PM EDTSpecial Weather StatementRAHGranville, Person62 min
May 2, 6:44 PM EDTSpecial Weather StatementRAHDavidson46 min
May 2, 6:58 PM EDTSpecial Weather StatementRAHCumberland, Harnett, Hoke, Sampson, Scotland62 min

Nearby

Flash Flood Warnings in North Carolina, 2016Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.